/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | foam-extend: Open Source CFD
   \\    /   O peration     | Version:     4.1
    \\  /    A nd           | Web:         http://www.foam-extend.org
     \\/     M anipulation  | For copyright notice see file Copyright
-------------------------------------------------------------------------------
License
	This file is part of foam-extend.

	foam-extend is free software: you can redistribute it and/or modify it
	under the terms of the GNU General Public License as published by the
	Free Software Foundation, either version 3 of the License, or (at your
	option) any later version.

	foam-extend is distributed in the hope that it will be useful, but
	WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
	General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with foam-extend.  If not, see <http://www.gnu.org/licenses/>.

Class
	scalarMatrices

Description
	Scalar matrices

SourceFiles
	scalarMatrices.C
	scalarMatricesTemplates.C

\*---------------------------------------------------------------------------*/

#ifndef scalarMatrices_H
#define scalarMatrices_H

#include "RectangularMatrix.H"
#include "SquareMatrix.H"
#include "DiagonalMatrix.H"

#include "scalarSquareMatrix.H"
#include "scalarField.H"
#include "labelList.H"

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

namespace Foam
{

typedef RectangularMatrix<scalar> scalarRectangularMatrix;
typedef DiagonalMatrix<scalar> scalarDiagonalMatrix;

void multiply
(
	scalarRectangularMatrix& answer,		 // value changed in return
	const scalarRectangularMatrix& A,
	const scalarRectangularMatrix& B
);

void multiply
(
	scalarRectangularMatrix& answer,		 // value changed in return
	const scalarRectangularMatrix& A,
	const scalarRectangularMatrix& B,
	const scalarRectangularMatrix& C
);

void multiply
(
	scalarRectangularMatrix& answer,		 // value changed in return
	const scalarRectangularMatrix& A,
	const scalarDiagonalMatrix& B,
	const scalarRectangularMatrix& C
);

//- Return the inverse of matrix A using SVD
scalarRectangularMatrix SVDinv
(
	const scalarRectangularMatrix& A,
	scalar minCondition = 0
);


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

} // End namespace Foam

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

#endif

// ************************************************************************* //
